A first, some proof is needed to justify that b**t called "Tube Sound Article" in Wikipedia you are trying to protect and promote.

Suppose that the article did not exist. So someone could write it. It could become anything. But anyway that happened in 2006. After that there were two possible ways: Either traverse the meaning of tube sound and purge the whole article or improve what there is.

I don't protect the article: I'd like to see improvement. Protecting means "hands off" – not development. Also I do not defend the (annoying) editing style of Binksternet or other deletionists. But their existence and "contributions" (which means they delete what others write) in Wikipedia are reality. I have noticed that the only way to beat them is by superior quality in facts, references and grammar.

I think that the greatest effort is needed for finding some mostly old and also few new (scientific) articles that justify your claims. Knowing things is not enough. You must also show the citation and where the article is.

Ive noticed a lot of sources for references on wikipedia aren't all that great either. So, someone just throw together a couple of websites stating what you think, then edit the wiki article, and reference your websites.

I must confess that I edited the Tube sound article by adding few lines about output impedance. I hope that my contribution improves the article.

It is mostly fair. I would object if the article were filled with subjective descriptions of the sound. IT is not.

One thing I'd do is make an even larger distinction between tube instrument amplifiers and tube HiFi amps. With HiFi the difference is sound is subtle at best. But a tube amp used with a guitar is obvious even in my 20 year old truck's stock factory radio.

The reason is that all HiFi amps are designed with the goal of very low distortion so the differences between ANY two good HiFi amps is small. However guitar amps can run at well over 100% THD. Even a jazz player who has a clean sound might be running at 15% or so THD, if you were to measure it.

THis distinction between music production and music reproduction would be a minor point if it were not for the fact that the overwhelming majority of all tube amps made as musical instrument amplifiers that depend on driving tubes into distortion.

The article is significantly improved on the original tripe that was there, but it is still trying to make a silk purse out of a sows ear.

The original tripe should never have been allowed to stand, it was little more than subjective opinion, and largely ill informed at that.

Heck, a Nelson Pass Zen amp with zero feedback doesn't sound like most SS amps either. Frankly it's a stupid article penned by someone who was of the opinion that tubes sounded wooly due to distortion...

I hope that if someone contributes to the article that they include the effects of the magnetics in the signal path, not only in small signal but in overdriven sound as well (ie musical electrical instruments as a source). AFAIK There are documents on this from John Murphy.

Got a link? You can't really modify the Wiki without a good solid source to reference.

BTW, I'm skeptical because a guitar has no sound below about 80Hz (this would be the low open E string) A few amps might have overloadable transformers but I bet many would clip the signal before overloading the OPT.